81174475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 106421760

約数和(自身を除く): 25247285

約数列:

[1, 5, 23, 25, 79, 115, 395, 575, 1787, 1817, 1975, 8935, 9085, 41101, 44675, 45425, 141173, 205505, 705865, 1027525, 3246979, 3529325, 16234895, 81174475]

約数ペア:

[(1, 81174475), (5, 16234895), (23, 3529325), (25, 3246979), (79, 1027525), (115, 705865), (395, 205505), (575, 141173), (1787, 45425), (1817, 44675), (1975, 41101), (8935, 9085)]